Table 1.
Patient characteristics and postoperative inflammatory markers
| T3 PaO2/FIO2 ratio <300 mmHg | T3 PaO2/FIO2 ratio ≥ 300 mmHg | |||
| Age (years) | 61 (49–66) | 57 (53–56) | ||
| Males/females (n) | 2/15 | 3/13 | ||
| Transhiatal oesophagus resection/transthoracic oesophagus resection (n) | 5/12 | 9/7 | ||
| Length of operation (minutes) | 315 (281–360) | 356 (312–395) | ||
| ICU length of stay (days) | 9 (6–18) | 3.5 (3–5)*** | ||
| ICU mortality/survival (n) | 5/12 | 0/16* | ||
| Temperature at T0 (°C) | 37.3 (37.0–37.6) | 36.4 (36.1–37.9)* | ||
| T1 | T2 | T1 | T2 | |
| Temperature (°C) | 37.2 (37.0–37.5) | 37.5 (36.7–37.8) | 37.0 (37.0–37.3) | 37.0 (36.8–37.1) |
| Leukocytes (×109/l) | 9.1 (5.7–11.0) | 11.7 (6.2–14.0) | 8.1 (5.8–8.8) | 10.1 (7.9–11.4) |
| Heart rate (minute-1) | 94 (88–98) | 113 (102–119) | 92 (77–94) | 109 (91–119) |
| PaCO2 (mmHg) | 38.2 (32.4–39.5) | 39.9 (32.3–40.8) | 36.4 (33.4–37.8) | 36.8 (34.8–38.7) |
| PaO2/FIO2 ratio (mmHg) | 185 (149–267) | 251 (169–286) | 230 (200–251) | 302 (260–340) |
| Multiple organ dysfunction scores | 3 (2–4) | 3 (2–4) | 2 (1–3) | 2 (1–3) |
| C-reactive protein (mg/l) | 98 (79–126) | 106 (71–122) | 101 (89–113) | 115 (70–127) |
| Procalcitonin (ng/ml) | 0.5 (0.3–0.7) | 2.8 (0.7–5.1) | 0.7 (0.6–0.9) | 1.2 (1.0–2.1)** |
| Leukocyte antisedimentation rate (%) | 4.9 (3.2–7.9) | 19.2 (13.6–28.0) | 9.2 (5.6–13.8) | 9.7 (2.5–11.4)*** |
ICU, intensive care unit. Groups were compared by Fisher's exact test and the Mann–Whitney test as appropriate. Median (quartiles) and statistical differences were calculated between PaO2/FIO2 ratio values at corresponding time points. *P < 0.05, **P < 0.01, ***P < 0.001.